AdTotal is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
AdTotal has better usage coverage in more websites categories. Including Arts & Entertainment, Internet & Telecom, People & Society, Autos & Vehicles and 16 other categories.
interclick is leading in Shopping, Career & Education, Health, Movies and 16 other categories.
interclick is leading in most countries, including United States, Djibouti, Armenia, Ukraine and one other country.
AdTotal is leading in Poland, United Kingdom, Russia and France.